ST's answer to Carol's Secondary 2 Maths Singapore question.
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If AB is parallel to DE, then ∠BAC = ∠DEA (alternate angles)
but ∠BAC = 70° and ∠DEA = 65°, so AB is not parallel to DE.
but ∠BAC = 70° and ∠DEA = 65°, so AB is not parallel to DE.
Date Posted:
2 months ago
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